No-Sweat Golf

SCOTTSDALE, Ariz. -- On a recent afternoon in Arizona, the sun burned through a cloudless sky and shadows vanished. As the temperature climbed to 105 degrees, the vast driving range at the Westin Kierland Resort & Spa here was nearly deserted. Except for Brian Franke -- who was swatting golf balls as cool air riffled across his shirt.

Mr. Franke wasn't bothered by the heat because he was standing in front of a 6-foot water-cooled fan that's part of a $100,000 course makeover aimed at wooing golfers in the torrid summer...